Mechanical installation
Preparation
Mounting the gearboxes
4
25
Lenze ¯ MA 12.0014 ¯ 5.1
4.3.4 Mounting the gearboxes
( Stop!
Shocks and impacts on the shaft damage the roller bearings.
¯ Draw the transmission elements onto the output shaft only by using the
centering thread.
¯ Align the gearbox shaft and transmission elements in an accurate fashion in order
to prevent tensioning.
¯ Mount belt pulleys, sprockets, or gear wheels as closely as possible to the gearbox
in order to keep the bending load of the shaft and the bearing forces at a
minimum level.
Gearbox with output flange
¯ Especially with regard to applications with an alternating load, Lenze
recommends...:
– the use of anaerobic adhesive between the gearbox flange and mounting area
in order to increase the friction fit;
– with steel or cast iron output flanges, the use of screws with a strength of 10.9
with correspondingly high tightening torques.
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